Home / 353,849,193.60-530,554,817.92-138,184,840.32

Finding the Fourth Proportional to 353,849,193.60, 530,554,817.92 and 138,184,840.32

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Solution

The fourth proportional to 353,849,193.60, 530,554,817.92 and 138,184,840.32 is: 207,191,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,849,193.60 : 530,554,817.92 = 138,184,840.32 : x
  2. Step 2: Convert to fraction form
    353,849,193.60/530,554,817.92 = 138,184,840.32/x
  3. Step 3: Cross multiply
    353,849,193.60x = 530,554,817.92 × 138,184,840.32
  4. Step 4: Simplify right side
    353,849,193.60x = 73,314,632,795,281,872
  5. Step 5: Solve for x
    x = 73,314,632,795,281,872/353,849,193.60
  6. Step 6: Final answer
    x = 207,191,747.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.